Frost Inside My Attic

When warm air from inside the house escapes traveling up through the bypasses the moisture condenses on the roof boards and rafters where the frost can form.

Frost inside my attic.

A patch of frost here and there on the tips of roofing nails poking through the sheathing for instance probably isn t a cause for alarm. House pressure affects. The internal humidity conditions contribute to the internal moisture frost conditions. More indoor humidity more frost in the attic.

During winter conditions attic frost is a problem associated with attic bypasses. I ve blogged about attic air. The insulation added should have like the homeowner stated created the significant variance in heated living quarter temperatures to the unheated attic temperatures. The more humid a house is the more frost you ll find in the attic.

Left unchecked frost in an attic can lead to serious mold and decay. How does humid air get from our house and into the attic. Frost gets into the attic from air leaks or attic bypasses. The warm air you are paying for to heat your home is leaking into the attic because your house is not sealed from the attic.

Frost in your attic space is a sign that warm humid air is somehow getting into your attic space. Lower the humidity in the house increase air flow through attic. When the weather warms up the frost will become water droplets and evaporate harmlessly. As a practising roofer and consultant i will note that any appearance of frost inside the attic especially if it is vented is a troubling sign.

How to prevent frost in the attic frost comes from air leaks. Since our minnesota winters are usually dry the only other source of humid air is your living space. Lots of ways many of which are small is difficult to detect. Warm air holds a lot of.

When the outside temperature rises again the frost thaws water collects and can leak into your house. During winter there are usually three sources of humidity in an attic.